Update README.md

README.md

@@ -74,7 +74,7 @@ The following table summarizes corpus statistics and license information.
 | Eusko Legebiltzarra         | https://www.legebiltzarra.eus                                                                   | administrative | 80.16          | public domain                |
 | Wikipedia                   | https://wikipedia.org                                                                           | wikipedia      | 63.83          | cc0                          |
 | Argia                       | https://www.argia.eus                                                                           | news           | 17.44          | cc-by-sa 4.0                 |
-| Addi                        | https://addi.ehu.es/                                                                            | science        | 17.09          | cc-by-nc-sa / cc-by-nc-nd    |
+| Addi                        | https://addi.ehu.es/                                                                            | science        | 17.09          | several cc variants    |
 | Opendata Euskadi subtiitles | https://opendata.euskadi.eus/catalogo/-/euskarazko-azpitituluak-filmak-eta-telesailak-euskaraz/ | subtitles      | 11.30          | cc-by-sa                     |
 | GFA                         | https://www.bngipuzkoa.eus/                                                                     | administrative | 8.46           | Custom copyright license⚠️ |
 | Zientzia.eus                | https://zientzia.eus                                                                            | science        | 8.37           | cc-by-sa                     |